Chroma 16502 - Standard Event Status Register

Descriptions of GPIB Interface (Commands Same as RS232 Interface)
5-23
5.6 Standard Event Status Register
The Standard Event Status Register is frequently used and is one of the simplest. The
common use commands *ESE and *ESR? can by utilized to program it.
Operation Complete
Queue Error
Device Dependent Error
Execution Error
Command Error
Power On
Read Standard
Event Status
Register by *ESR?
01
2
34
5
6
7
S
e
t Standard Event
Status Enable
Register by *ESE
Logical OR
&
&
&
&
&
&
&
&
Summary
Message Event
Bit (ESB)
(Bit 5 of Status
Byte Register)
0
1
2
3
45
67
Bit No
Bit Weight
Description
7
128
Power on Bit. Power off the16502 and turn on again, this bit is set to 1.
6
Always 0.
5 32
Command Error Bit. This bit is set to 1 if there is any IEEE 488.2 syntax
error.
4 16
Execution Error Bit. This bit is set to 1 when the command parameter is
out of valid range or inconsistent.
3 8
Device Dependent Error Bit. This bit is set to 1 when too many errors
have occurred that the error queue is full.
2 4
Queue Error Bit. This bit is set to 1 when reading data from the output
buffer and no data is present, or when the data is lost.
1
Always 0.
0
1